{"id":30061,"date":"2020-04-07T19:36:56","date_gmt":"2020-04-07T19:36:56","guid":{"rendered":"https:\/\/certacad.wpenginepowered.com\/?page_id=30061"},"modified":"2025-06-26T15:00:13","modified_gmt":"2025-06-26T19:00:13","slug":"methodology","status":"publish","type":"page","link":"https:\/\/certificationacademy.com\/six-sigma-certification\/methodology\/","title":{"rendered":"Lean Six Sigma Methodology"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; ul_position=&#8221;inside&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h1 style=\"text-align: left;\">Lean Six Sigma Methodology<\/h1>\n<p style=\"text-align: left;\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-30065 alignleft\" src=\"https:\/\/certificationacademy.com\/wp-content\/uploads\/six-sigma-methodology-300x200.jpeg\" alt=\"Lean Six Sigma methodology\" width=\"300\" height=\"200\" \/>Lean Six Sigma Methodology seeks to improve the quality of process outputs by identifying and removing the causes of defects (errors) and minimizing variability in manufacturing and business processes. It uses a set of quality management methods, including statistical methods, and creates a special infrastructure of people within the organization with the use of a hierarchy of Lean Six Sigma Belts and <a href=\"\/six-sigma-certification\/\">Lean Six Sigma Certification<\/a> levels called Black Belts, Green Belts, Yellow Belts, White Belts, and Champions who are experts in the methods.<\/p>\n<h3>Lean Six Sigma Methodology asserts that:<\/h3>\n<ul>\n<li>Continuous efforts to achieve stable and predictable process results (i.e., reduce process\u00a0variation) are of vital importance to business success.<\/li>\n<li>Manufacturing and business processes have characteristics that can be measured, analyzed, controlled and improved.<\/li>\n<li>Achieving sustained quality improvement requires commitment from the entire organization, particularly from top-level management.<\/li>\n<\/ul>\n<h4>Features that set Lean Six Sigma apart from previous quality improvement initiatives include:<\/h4>\n<ul>\n<li>A clear focus on achieving measurable and quantifiable financial returns from any Lean Six Sigma project.<\/li>\n<li>An increased emphasis on strong and passionate management leadership and support.<\/li>\n<li>A clear commitment to making decisions on the basis of verifiable data and statistical methods, rather than assumptions and guesswork.<\/li>\n<li>In recent years, practitioners have combined Lean Six Sigma ideas with\u00a0Lean Manufacturing\u00a0to create a methodology named\u00a0Lean Six Sigma Certification. \u00a0The Lean Lean Six Sigma methodology views lean manufacturing, which addresses process flow and waste issues, and Lean Six Sigma, with its focus on variation and design, as complementary disciplines aimed at promoting &#8220;business and operational excellence&#8221;.\u00a0Companies such as GE,\u00a0Verizon, GENPACT, and IBM use Lean Lean Six Sigma to focus transformation efforts not just on efficiency but also on growth. It serves as a foundation for innovation throughout the organization, from manufacturing and software development to sales and service delivery functions.<\/li>\n<\/ul>\n<h3>Lean Six Sigma Methodologies<\/h3>\n<p><b>Lean Six Sigma projects follow two project methodologies inspired by\u00a0Deming&#8217;s\u00a0Plan-Do-Check-Act Cycle. These methodologies, composed of five phases each, bear the acronyms DMAIC and DMADV.<\/b><\/p>\n<ul>\n<li>DMAIC\u00a0is used for projects aimed at improving an existing business process. \u00a0DMAIC is pronounced as &#8220;duh-may-ick&#8221; (&lt;\u02ccd\u028c \u02c8me\u026a \u026ak&gt;).<\/li>\n<li>DMADV is used for projects aimed at creating new product or process designs. \u00a0DMADV is pronounced as &#8220;duh-mad-vee&#8221; (&lt;\u02ccd\u028c \u02c8m\u00e6d vi&gt;).<\/li>\n<\/ul>\n<h4><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-30066\" src=\"https:\/\/certificationacademy.com\/wp-content\/uploads\/six-sigma-dmaic-methodology-300x203.jpg\" alt=\"dmaic methodology\" width=\"300\" height=\"203\" \/>DMAIC<\/strong><\/h4>\n<p><strong>The DMAIC project methodology has five phases:<\/strong><\/p>\n<ul>\n<li><strong><i>D<\/i><\/strong><i>efine<\/i>\u00a0the system, the voice of the customer and their requirements, and the project goals, specifically.<\/li>\n<li><i><b>M<\/b>easure<\/i>\u00a0key aspects of the current process and collect relevant data.<\/li>\n<li><i><b>A<\/b>nalyze<\/i>\u00a0the data to investigate and verify cause-and-effect relationships. Determine what the relationships are, and attempt to ensure that all factors have been considered. Seek out root cause of the defect under investigation.<\/li>\n<li><i><b>I<\/b>mprove<\/i>\u00a0or optimize the current process based upon data analysis using techniques such as\u00a0design of experiments,\u00a0poka yoke\u00a0or mistake proofing, and standard work to create a new, future state process. Set up pilot runs to establish\u00a0process capability.<\/li>\n<li><i><b>C<\/b>ontrol<\/i>\u00a0the future state process to ensure that any deviations from target are corrected before they result in defects. Implement\u00a0control systems\u00a0such as\u00a0statistical process control, production boards, visual workplaces, and continuously monitor the process.<\/li>\n<li>Some organizations add a\u00a0<i><b>R<\/b>ecognize<\/i>\u00a0step at the beginning, which is to recognize the right problem to work on, thus yielding an RDMAIC methodology.<\/li>\n<\/ul>\n<h4><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-30067\" src=\"https:\/\/certificationacademy.com\/wp-content\/uploads\/six-sigma-dmadv-methodology.jpg\" alt=\"dmadv methodology\" width=\"300\" height=\"185\" \/>DMADV or DFSS<\/strong><\/h4>\n<p><strong>The DMADV project methodology, known as\u00a0DFSS\u00a0(&#8220;Design\u00a0For\u00a0Six\u00a0Sigma&#8221;),\u00a0features five phases:<\/strong><\/p>\n<ul>\n<li><i><b>D<\/b>efine<\/i>\u00a0design goals that are consistent with customer demands and the enterprise strategy.<\/li>\n<li><i><b>M<\/b>easure<\/i>\u00a0and identify CTQs (characteristics that are\u00a0<b>C<\/b>ritical\u00a0<b>T<\/b>o\u00a0<b>Q<\/b>uality), product capabilities, production process capability, and risks.<\/li>\n<li><i><b>A<\/b>nalyze<\/i>\u00a0to develop and design alternatives<\/li>\n<li><i><b>D<\/b>esign<\/i>\u00a0an improved alternative, best suited per analysis in the previous step<\/li>\n<li><i><b>V<\/b>erify<\/i>\u00a0the design, set up pilot runs, implement the production process and hand it over to the process owner(s).<\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lean Six Sigma Methodology Lean Six Sigma Methodology seeks to improve the quality of process outputs by identifying and removing the causes of defects (errors) and minimizing variability in manufacturing and business processes. It uses a set of quality management methods, including statistical methods, and creates a special infrastructure of people within the organization with [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":27243,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"<p style=\"text-align: left;\"><img class=\"size-medium wp-image-30065 alignleft\" src=\"https:\/\/certificationacademy.com\/wp-content\/uploads\/six-sigma-methodology-300x200.jpeg\" alt=\"six sigma methodology\" width=\"300\" height=\"200\" \/>Six Sigma Methodology seeks to improve the quality of process outputs by identifying and removing the causes of defects (errors) and minimizing variability in manufacturing and business processes. It uses a set of quality management methods, including statistical methods, and creates a special infrastructure of people within the organization with the use of a hierarchy of <a href=\"\/six-sigma-belt-levels-explained\/\">Six Sigma Belts<\/a> and <a href=\"\/six-sigma-certification\/\">Six Sigma Certification<\/a> levels called Black Belts, Green Belts, Yellow Belts, White Belts, and Champions who are experts in the methods.<\/p>\r\n\r\n<h3>Six Sigma Methodology asserts that:<\/h3>\r\n<ul>\r\n \t<li>Continuous efforts to achieve stable and predictable process results (i.e., reduce process\u00a0variation) are of vital importance to business success.<\/li>\r\n \t<li>Manufacturing and business processes have characteristics that can be measured, analyzed, controlled and improved.<\/li>\r\n \t<li>Achieving sustained quality improvement requires commitment from the entire organization, particularly from top-level management.<\/li>\r\n<\/ul>\r\n<h4>Features that set Six Sigma apart from previous quality improvement initiatives include:<\/h4>\r\n<ul>\r\n \t<li>A clear focus on achieving measurable and quantifiable financial returns from any Six Sigma project.<\/li>\r\n \t<li>An increased emphasis on strong and passionate management leadership and support.<\/li>\r\n \t<li>A clear commitment to making decisions on the basis of verifiable data and statistical methods, rather than assumptions and guesswork.<\/li>\r\n \t<li>In recent years, practitioners have combined Six Sigma ideas with\u00a0Lean Manufacturing\u00a0to create a methodology named\u00a0Six Sigma Certification. \u00a0The Lean Six Sigma methodology views lean manufacturing, which addresses process flow and waste issues, and Six Sigma, with its focus on variation and design, as complementary disciplines aimed at promoting \"business and operational excellence\".\u00a0Companies such as GE,\u00a0Verizon, GENPACT, and IBM use Lean Six Sigma to focus transformation efforts not just on efficiency but also on growth. It serves as a foundation for innovation throughout the organization, from manufacturing and software development to sales and service delivery functions.<\/li>\r\n<\/ul>\r\n<h3>Six Sigma Methodologies<\/h3>\r\n<b>Six Sigma projects follow two project methodologies inspired by\u00a0Deming's\u00a0Plan-Do-Check-Act Cycle. These methodologies, composed of five phases each, bear the acronyms DMAIC and DMADV.<\/b>\r\n<ul>\r\n \t<li>DMAIC\u00a0is used for projects aimed at improving an existing business process. \u00a0DMAIC is pronounced as \"duh-may-ick\" (<\u02ccd\u028c \u02c8me\u026a \u026ak>).<\/li>\r\n \t<li>DMADV is used for projects aimed at creating new product or process designs. \u00a0DMADV is pronounced as \"duh-mad-vee\" (<\u02ccd\u028c \u02c8m\u00e6d vi>).<\/li>\r\n<\/ul>\r\n<h4><strong><img class=\"alignleft size-medium wp-image-30066\" src=\"https:\/\/certificationacademy.com\/wp-content\/uploads\/six-sigma-dmaic-methodology-300x203.jpg\" alt=\"dmaic methodology\" width=\"300\" height=\"203\" \/>DMAIC<\/strong><\/h4>\r\n<strong>The DMAIC project methodology has five phases:<\/strong>\r\n<ul>\r\n \t<li><strong><i>D<\/i><\/strong><i>efine<\/i>\u00a0the system, the voice of the customer and their requirements, and the project goals, specifically.<\/li>\r\n \t<li><i><b>M<\/b>easure<\/i>\u00a0key aspects of the current process and collect relevant data.<\/li>\r\n \t<li><i><b>A<\/b>nalyze<\/i>\u00a0the data to investigate and verify cause-and-effect relationships. Determine what the relationships are, and attempt to ensure that all factors have been considered. Seek out root cause of the defect under investigation.<\/li>\r\n \t<li><i><b>I<\/b>mprove<\/i>\u00a0or optimize the current process based upon data analysis using techniques such as\u00a0design of experiments,\u00a0poka yoke\u00a0or mistake proofing, and standard work to create a new, future state process. Set up pilot runs to establish\u00a0process capability.<\/li>\r\n \t<li><i><b>C<\/b>ontrol<\/i>\u00a0the future state process to ensure that any deviations from target are corrected before they result in defects. Implement\u00a0control systems\u00a0such as\u00a0statistical process control, production boards, visual workplaces, and continuously monitor the process.<\/li>\r\n \t<li>Some organizations add a\u00a0<i><b>R<\/b>ecognize<\/i>\u00a0step at the beginning, which is to recognize the right problem to work on, thus yielding an RDMAIC methodology.<\/li>\r\n<\/ul>\r\n<h4><strong><img class=\"alignleft size-full wp-image-30067\" src=\"https:\/\/certificationacademy.com\/wp-content\/uploads\/six-sigma-dmadv-methodology.jpg\" alt=\"dmadv methodology\" width=\"300\" height=\"185\" \/>DMADV or DFSS<\/strong><\/h4>\r\n<strong>The DMADV project methodology, known as\u00a0DFSS\u00a0(\"Design\u00a0For\u00a0Six\u00a0Sigma\"),\u00a0features five phases:<\/strong>\r\n<ul>\r\n \t<li><i><b>D<\/b>efine<\/i>\u00a0design goals that are consistent with customer demands and the enterprise strategy.<\/li>\r\n \t<li><i><b>M<\/b>easure<\/i>\u00a0and identify CTQs (characteristics that are\u00a0<b>C<\/b>ritical\u00a0<b>T<\/b>o\u00a0<b>Q<\/b>uality), product capabilities, production process capability, and risks.<\/li>\r\n \t<li><i><b>A<\/b>nalyze<\/i>\u00a0to develop and design alternatives<\/li>\r\n \t<li><i><b>D<\/b>esign<\/i>\u00a0an improved alternative, best suited per analysis in the previous step<\/li>\r\n \t<li><i><b>V<\/b>erify<\/i>\u00a0the design, set up pilot runs, implement the production process and hand it over to the process owner(s).<\/li>\r\n<\/ul>","_et_gb_content_width":"","content-type":"","footnotes":""},"class_list":["post-30061","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/certificationacademy.com\/wp-json\/wp\/v2\/pages\/30061","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/certificationacademy.com\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/certificationacademy.com\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/certificationacademy.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/certificationacademy.com\/wp-json\/wp\/v2\/comments?post=30061"}],"version-history":[{"count":0,"href":"https:\/\/certificationacademy.com\/wp-json\/wp\/v2\/pages\/30061\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/certificationacademy.com\/wp-json\/wp\/v2\/pages\/27243"}],"wp:attachment":[{"href":"https:\/\/certificationacademy.com\/wp-json\/wp\/v2\/media?parent=30061"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}